{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:IQZ4SEZCJ2HOSQT6HGN6GCDKXP","short_pith_number":"pith:IQZ4SEZC","canonical_record":{"source":{"id":"1110.6808","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2011-10-31T14:36:46Z","cross_cats_sorted":[],"title_canon_sha256":"4fc6b3eb15cb2529ec6eca48e9ec475f2ab2d442e7721cb19d32a18369189227","abstract_canon_sha256":"3823aa8eb647b791b283487b2d0cfc19b02005cc7007db9dd35e4c1febea24db"},"schema_version":"1.0"},"canonical_sha256":"4433c913224e8ee9427e399be3086abbf342f4ff07c56763b87a9653bfdeed53","source":{"kind":"arxiv","id":"1110.6808","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.6808","created_at":"2026-05-18T01:59:49Z"},{"alias_kind":"arxiv_version","alias_value":"1110.6808v1","created_at":"2026-05-18T01:59:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.6808","created_at":"2026-05-18T01:59:49Z"},{"alias_kind":"pith_short_12","alias_value":"IQZ4SEZCJ2HO","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"IQZ4SEZCJ2HOSQT6","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"IQZ4SEZC","created_at":"2026-05-18T12:26:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:IQZ4SEZCJ2HOSQT6HGN6GCDKXP","target":"record","payload":{"canonical_record":{"source":{"id":"1110.6808","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2011-10-31T14:36:46Z","cross_cats_sorted":[],"title_canon_sha256":"4fc6b3eb15cb2529ec6eca48e9ec475f2ab2d442e7721cb19d32a18369189227","abstract_canon_sha256":"3823aa8eb647b791b283487b2d0cfc19b02005cc7007db9dd35e4c1febea24db"},"schema_version":"1.0"},"canonical_sha256":"4433c913224e8ee9427e399be3086abbf342f4ff07c56763b87a9653bfdeed53","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:59:49.633986Z","signature_b64":"kLBe07VL7DNihAzO8bJHoW8HnUlOJKs0YjZlJNP1Xj99CeCFtVAw9RADGL5JF/xgbuPljMr5EQhVYd+bfaaaBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4433c913224e8ee9427e399be3086abbf342f4ff07c56763b87a9653bfdeed53","last_reissued_at":"2026-05-18T01:59:49.633322Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:59:49.633322Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1110.6808","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:59:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nL7hGWFAqC9lBymbke11Zytu23P6qZnwJCNCWuY2OIugz0eSG/GBimzFT6p9teFdmCGbb5PYWbF3Tj6PQfUqBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T06:11:01.208182Z"},"content_sha256":"58ac05f8ff1b124fae6641c07e7e0d01e421a6f2af681f19b15f8ff073f477a7","schema_version":"1.0","event_id":"sha256:58ac05f8ff1b124fae6641c07e7e0d01e421a6f2af681f19b15f8ff073f477a7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:IQZ4SEZCJ2HOSQT6HGN6GCDKXP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Designing optimal discrete-feedback thermodynamic engines","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"Jordan M. Horowitz, Juan M. R. Parrondo","submitted_at":"2011-10-31T14:36:46Z","abstract_excerpt":"Feedback can be utilized to convert information into useful work, making it an effective tool for increasing the performance of thermodynamic engines. Using feedback reversibility as a guiding principle, we devise a method for designing optimal feedback protocols for thermodynamic engines that extract all the information gained during feedback as work. Our method is based on the observation that in a feedback-reversible process the measurement and the time-reversal of the ensuing protocol both prepare the system in the same probabilistic state. We illustrate the utility of our method with two "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.6808","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:59:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nsgnDsJKkavWJocJs4FVzYNa3hWzLwXL0m+4gW1BKVCWDD7cYRjCU3dyGgMaOPU1gRheZwoORwhPbhK4ffUCDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T06:11:01.208792Z"},"content_sha256":"919d5e3820f0de54a27a709529bc953e37734625948da6946c504a7fbf3c750b","schema_version":"1.0","event_id":"sha256:919d5e3820f0de54a27a709529bc953e37734625948da6946c504a7fbf3c750b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IQZ4SEZCJ2HOSQT6HGN6GCDKXP/bundle.json","state_url":"https://pith.science/pith/IQZ4SEZCJ2HOSQT6HGN6GCDKXP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IQZ4SEZCJ2HOSQT6HGN6GCDKXP/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-27T06:11:01Z","links":{"resolver":"https://pith.science/pith/IQZ4SEZCJ2HOSQT6HGN6GCDKXP","bundle":"https://pith.science/pith/IQZ4SEZCJ2HOSQT6HGN6GCDKXP/bundle.json","state":"https://pith.science/pith/IQZ4SEZCJ2HOSQT6HGN6GCDKXP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IQZ4SEZCJ2HOSQT6HGN6GCDKXP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:IQZ4SEZCJ2HOSQT6HGN6GCDKXP","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"3823aa8eb647b791b283487b2d0cfc19b02005cc7007db9dd35e4c1febea24db","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2011-10-31T14:36:46Z","title_canon_sha256":"4fc6b3eb15cb2529ec6eca48e9ec475f2ab2d442e7721cb19d32a18369189227"},"schema_version":"1.0","source":{"id":"1110.6808","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.6808","created_at":"2026-05-18T01:59:49Z"},{"alias_kind":"arxiv_version","alias_value":"1110.6808v1","created_at":"2026-05-18T01:59:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.6808","created_at":"2026-05-18T01:59:49Z"},{"alias_kind":"pith_short_12","alias_value":"IQZ4SEZCJ2HO","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"IQZ4SEZCJ2HOSQT6","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"IQZ4SEZC","created_at":"2026-05-18T12:26:32Z"}],"graph_snapshots":[{"event_id":"sha256:919d5e3820f0de54a27a709529bc953e37734625948da6946c504a7fbf3c750b","target":"graph","created_at":"2026-05-18T01:59:49Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Feedback can be utilized to convert information into useful work, making it an effective tool for increasing the performance of thermodynamic engines. Using feedback reversibility as a guiding principle, we devise a method for designing optimal feedback protocols for thermodynamic engines that extract all the information gained during feedback as work. Our method is based on the observation that in a feedback-reversible process the measurement and the time-reversal of the ensuing protocol both prepare the system in the same probabilistic state. We illustrate the utility of our method with two ","authors_text":"Jordan M. Horowitz, Juan M. R. Parrondo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2011-10-31T14:36:46Z","title":"Designing optimal discrete-feedback thermodynamic engines"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.6808","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:58ac05f8ff1b124fae6641c07e7e0d01e421a6f2af681f19b15f8ff073f477a7","target":"record","created_at":"2026-05-18T01:59:49Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"3823aa8eb647b791b283487b2d0cfc19b02005cc7007db9dd35e4c1febea24db","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2011-10-31T14:36:46Z","title_canon_sha256":"4fc6b3eb15cb2529ec6eca48e9ec475f2ab2d442e7721cb19d32a18369189227"},"schema_version":"1.0","source":{"id":"1110.6808","kind":"arxiv","version":1}},"canonical_sha256":"4433c913224e8ee9427e399be3086abbf342f4ff07c56763b87a9653bfdeed53","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4433c913224e8ee9427e399be3086abbf342f4ff07c56763b87a9653bfdeed53","first_computed_at":"2026-05-18T01:59:49.633322Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:59:49.633322Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kLBe07VL7DNihAzO8bJHoW8HnUlOJKs0YjZlJNP1Xj99CeCFtVAw9RADGL5JF/xgbuPljMr5EQhVYd+bfaaaBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:59:49.633986Z","signed_message":"canonical_sha256_bytes"},"source_id":"1110.6808","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:58ac05f8ff1b124fae6641c07e7e0d01e421a6f2af681f19b15f8ff073f477a7","sha256:919d5e3820f0de54a27a709529bc953e37734625948da6946c504a7fbf3c750b"],"state_sha256":"184924ae2d0b42993e2e8102102a7c3e4b88ef4e82f2857a77803bc5d19f21e2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1T66T1Na7/7C54d4oeNmcJ9M+Fqy1GYMcRsrZ/F8ZKjCH1q885i7vvu9KZB1p3mALwbyjiGe21e3OtjfnYhDBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T06:11:01.211959Z","bundle_sha256":"aa18c4af7ed9e35bc24dfc868f34bf4ec27da027f2d26547e0a1fe465bbafb83"}}